<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>DOM-lyw Test</title>
    <style>
      #ept > div {
        width: 100px;
        height: 100px;
      }
    </style>
  </head>

  <body>
    <div id="ept">
      <div>1</div>
      <span>2</span>
      <header>3</header>
    </div>
    <script src="dyw.js"></script>
    <script src="main.js"></script>
  </body>
</html>
